Individual Calculations May 2023
 Zhu, David Junyang  Total change: 17.20  Rating chartPersonal card
 2023 Wellington Open Wellington NZL 2023-04-07
RcRownchangeKK*chgGame
 1621 1639 1.50 4 -0.65 40 -26.00 
  Croad, Nicolas f2196 NZL0.001-0.0340-1.20 
  Sova, Leo 1251 USA0.001-0.9140-36.40 
  Sun, Taoran Ethan 1239  * NZL1.0010.08403.20 
  Tanoi, T Edward 1796 NZL0.5010.21408.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
 George Trundle Masters 2023 Auckland NZL 2023-04-12
RcRownchangeKK*chgGame
 1760 1639 4.50 9 1.08 40 43.20 
  Yu, Weiyang 1582 NZL0.501-0.0840-3.20 
  Chang, Yolanda 1590 NZL1.0010.434017.20 
  Mistry, Prashant 1799 NZL1.0010.714028.40 
  Wells, Clinton A. 1672 NZL1.0010.554022.00 
  Ang, Alphaeus Wei Ern f2288 NZL0.001-0.0140-0.40 
  Yu, Zachary 1800 NZL0.5010.21408.40 
  Young, Cohen 1793 NZL0.001-0.2940-11.60 
  McDonald, Duncan 1588 NZL0.501-0.0740-2.80 
  Thurner, Anya 1732 NZL0.001-0.3740-14.80 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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